bbejeck commented on code in PR #18809:
URL: https://github.com/apache/kafka/pull/18809#discussion_r1953412766
##########
group-coordinator/src/main/java/org/apache/kafka/coordinator/group/GroupMetadataManager.java:
##########
@@ -3405,6 +3616,49 @@ private void scheduleConsumerGroupRebalanceTimeout(
});
}
+ /**
+ * Schedules a rebalance timeout for the member.
+ *
+ * @param groupId The group id.
+ * @param memberId The member id.
+ * @param memberEpoch The member epoch.
+ * @param rebalanceTimeoutMs The rebalance timeout.
+ */
+ private void scheduleStreamsGroupRebalanceTimeout(
+ String groupId,
+ String memberId,
+ int memberEpoch,
+ int rebalanceTimeoutMs
+ ) {
+ String key = streamsGroupRebalanceTimeoutKey(groupId, memberId);
+ timer.schedule(key, rebalanceTimeoutMs, TimeUnit.MILLISECONDS, true,
() -> {
+ try {
+ StreamsGroup group = streamsGroup(groupId);
+ StreamsGroupMember member =
group.getOrMaybeCreateMember(memberId, false);
+
+ if (member.memberEpoch() == memberEpoch) {
+ log.info("[GroupId {}] Member {} fenced from the group
because " +
+ "it failed to transition from epoch {} within
{}ms.",
+ groupId, memberId, memberEpoch, rebalanceTimeoutMs);
+
+ return streamsGroupFenceMember(group, member, null);
+ } else {
+ log.debug("[GroupId {}] Ignoring rebalance timeout for {}
because the member " +
+ "left the epoch {}.", groupId, memberId, memberEpoch);
+ return new CoordinatorResult<>(Collections.emptyList());
+ }
+ } catch (GroupIdNotFoundException ex) {
+ log.debug("[GroupId {}] Could not fence {}} because the group
does not exist.",
Review Comment:
SGTM
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